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Pierburg 7.04389.07.0 Secondary Air Injection Pump
| Brand | Pierburg 7.04389.07.0 |
|---|---|
| Grade Type | Standard replacement |
| Operating Mode | Electric |
| Voltage [VDC] | 12 |
| Product line | Genuine OE from HELLA |
| Fits | Mercedes-Benz · 8 vehicles |
Standard replacement. Electric 12V secondary air injection pump for emissions control.
OE-level performance. Delivers fresh air on cold starts to help reduce emissions.
Genuine OE from HELLA. Pierburg brings original-equipment pedigree to this part.
Cross-references URO 0001406785, 000 140 67 85 and 0 580 000 040 for the same application. See all 7.
Pierburg Secondary Air Injection Pump for Mercedes-Benz
Pierburg 7.04389.07.0 is a 12V electric secondary air injection pump built as a standard replacement for emission control service. It pushes fresh air into the exhaust during cold starts to reduce emissions and support smooth engine operation. Compatible with 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250.
Key Features
- Secondary air injection pump for emission control service
- Electric operating mode with 12VDC power supply
- Standard replacement grade for OE-style service
- Genuine OE from HELLA product line
- Direct application coverage for Mercedes-Benz C250 and Mercedes-Benz SLK250
Product Details
This Pierburg secondary air injection pump, part number 7.04389.07.0, is engineered for vehicles that use an electric secondary air system to reduce cold-start emissions. By supplying fresh air into the exhaust stream after startup, it supports faster catalyst light-off and stable engine behavior during the warm-up phase. The Genuine OE from HELLA line reflects OE-focused manufacturing for service parts that match the original system design. This part cross-references Mercedes-Benz OE number 000 140 67 85 for the same application.
What It Helps Address
- Secondary air system fault codes
- Cold-start emissions failures
- Insufficient air injection during startup
- Rough running related to emission control faults
- Check engine light conditions tied to the air injection system
Installation Notes
Verify 12V electrical system compatibility and confirm the vehicle uses an electric secondary air injection pump before installation. Match the connector, mounting points, and OE reference 000 140 67 85 against the original unit. For fitment-specific service, this part fits 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250, N/A.
Quality Assurance
Pierburg is supplied through the Genuine OE from HELLA product line, with OE-level application focus for emission control service. Part number 7.04389.07.0 is built as a standard replacement component for the listed Mercedes-Benz applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Mercedes-Benz | C250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2015 | Mercedes-Benz | SLK250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2014 | Mercedes-Benz | C250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2014 | Mercedes-Benz | SLK250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2013 | Mercedes-Benz | C250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2013 | Mercedes-Benz | SLK250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2012 | Mercedes-Benz | C250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
| 2012 | Mercedes-Benz | SLK250 | 1.8L | L4 | N/A | 12V - Electric; Genuine OE from HELLA |
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